code: def half_space_to_ball_tangent_vec_test_data(self):
      return self.generate_vec_data()
  
file_path: geomstats/tests/tests_geomstats/test_geometry/data/hyperbolic.py
imports: import geomstats.backend
  from geomstats.test.data import TestData
  from .riemannian_metric import RiemannianMetricCmpWithTransformTestData, RiemannianMetricTestData
label_desc: Use image node_id 1 for calling the HyperbolicCoordsTransformTestData obj's underlying member method code with example usage: obj.half_space_to_ball_tangent_vec_test_data() and returns: self